erythrocyte sedimentation rate (ESR), the rate at which red blood cells settle out in a tube of unclotted blood, expressed in millimeters per hour. Blood is collected in an anticoagulant and allowed to form a sediment in a calibrated glass column.
The Butterfly Circus (2009) The Butterfly Circus is the story of a renowned circus troupe traveling through the devastated American landscape at the height of the Great Depression, lifting the spirits of audiences ... See full summary Â».
A kaleidoscope of butterflies. A group of butterflies is called a swarm, rabble, or kaleidoscope. A group of butterflies is called a flutter. Bees swarm, and a rabble is much too boisterous for butterflies. Butterflies are delicate creatures who gather to communicate socially only by the movement of their wings. This is called a flutter. A kaleidoscope of butterflies. <br /><br /> A group of butterflies is called a swarm, rabble, or kaleidoscope. <br /><br /> A group of butterflies is called a <b><i>flutter</i></b>. Bees swarm, and a rabble is much too boisterous for butterflies. Butterflies are delicate creatures who gather to communicate socially only by the movement of their wings. This is called a <b><i>flutter</i></b>.